🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.1

Radius: 10.7

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.48 AU - 0.7 AU

Year: 307 Days

Day: 15 Hours

Environment

Temp: -141 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,502,472 km

• M1: 133,142 km (0.04 R)
• M2: 470,037 km (0.059 R)
• M3: 1,053,917 km (0.076 R)
• M4: 1,666,371 km (0.112 R)
• M5: 3,658,117 km (0.08 R)
• M6: 4,574,254 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.5

Radius: 9.6

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.75 AU - 0.87 AU

Year: 494 Days

Day: 11.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,502,472 km

• M1: 119,379 km (0.029 R)
• M2: 462,407 km (0.105 R)
• M3: 929,302 km (0.1 R)
• M4: 1,230,293 km (0.114 R)
• M5: 1,650,813 km (0.083 R)
• M6: 1,951,504 km (0.111 R)
• M7: 2,250,700 km (0.099 R)
• M8: 2,601,956 km (0.11 R)
• M9: 3,302,672 km (0.085 R)
• M10: 4,345,818 km (0.06 R)
• M11: 4,749,134 km (0.092 R)
• M12: 5,245,350 km (0.106 R)
• M13: 5,613,062 km (0.111 R)
• M14: 6,361,201 km (0.115 R)
• M15: 6,779,776 km (0.036 R)
• M16: 7,110,985 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.4

Radius: 11.4

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.65 AU - 1.03 AU

Year: 522 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,502,472 km

• M1: 141,819 km (0.082 R)
• M2: 778,208 km (0.081 R)
• M3: 1,250,040 km (0.087 R)
• M4: 2,232,599 km (0.117 R)
• M5: 2,929,276 km (0.112 R)
• M6: 3,298,035 km (0.086 R)
• M7: 4,116,036 km (0.092 R)
• M8: 5,353,210 km (0.102 R)
• M9: 6,701,835 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 11.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.97 AU - 1.25 AU

Year: 793 Days

Day: 5.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,502,472 km

• M1: 141,819 km (0.097 R)
• M2: 665,711 km (0.119 R)
• M3: 1,168,808 km (0.107 R)
• M4: 1,696,739 km (0.106 R)
• M5: 2,094,669 km (0.112 R)
• M6: 2,519,677 km (0.064 R)
• M7: 3,390,187 km (0.081 R)
• M8: 4,079,235 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 13.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.1 AU - 1.48 AU

Year: 994 Days

Day: 9.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,502,472 km

• M1: 175,628 km (0.104 R)
• M2: 618,737 km (0.067 R)
• M3: 1,061,696 km (0.067 R)
• M4: 1,862,344 km (0.111 R)
• M5: 2,614,073 km (0.082 R)
• M6: 3,131,383 km (0.102 R)
• M7: 3,573,594 km (0.077 R)
• M8: 4,029,867 km (0.116 R)
• M9: 4,835,302 km (0.069 R)
• M10: 5,603,787 km (0.08 R)
• M11: 6,110,624 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.3

Radius: 8.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.89 AU - 2.37 AU

Year: 2108 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,502,472 km

• M1: 104,419 km (0.048 R)
• M2: 577,747 km (0.086 R)
• M3: 903,122 km (0.08 R)
• M4: 1,755,082 km (0.076 R)
• M5: 2,163,634 km (0.094 R)
• M6: 3,296,688 km (0.108 R)
• M7: 4,570,514 km (0.116 R)
• M8: 5,327,629 km (0.07 R)
• M9: 7,449,525 km (0.108 R)
• M10: 8,025,178 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.8

Radius: 12.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.4 AU - 5.06 AU

Year: 6977 Days

Day: 12.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,502,472 km

• M1: 150,495 km (0.105 R)
• M2: 615,446 km (0.086 R)
• M3: 1,023,549 km (0.114 R)
• M4: 1,672,504 km (0.118 R)
• M5: 2,139,549 km (0.098 R)
• M6: 2,564,407 km (0.115 R)
• M7: 3,633,433 km (0.05 R)
• M8: 5,212,738 km (0.111 R)
• M9: 5,702,372 km (0.117 R)
• M10: 8,175,823 km (0.115 R)
• M11: 9,403,124 km (0.046 R)
• M12: 9,945,416 km (0.075 R)
• M13: 10,365,786 km (0.106 R)
• M14: 10,895,811 km (0.09 R)
• M15: 11,801,926 km (0.115 R)
• M16: 13,087,570 km (0.107 R)
• M17: 14,883,492 km (0.112 R)
• M18: 16,642,165 km (0.114 R)
• M19: 18,256,625 km (0.101 R)
• M20: 20,418,613 km (0.118 R)
• M21: 23,313,631 km (0.081 R)
• M22: 24,646,399 km (0.065 R)
• M23: 25,504,791 km (0.112 R)
• M24: 27,281,416 km (0.109 R)
• M25: 28,855,185 km (0.102 R)
• M26: 35,758,529 km (0.119 R)
• M27: 36,195,803 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.9

Radius: 5.4

Gravity: 25.31 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.82 AU - 10.34 AU

Year: 17046 Days

Day: 15.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,502,472 km

• M1: 67,618 km (0.089 R)
• M2: 313,108 km (0.117 R)
• M3: 697,575 km (0.093 R)
• M4: 919,429 km (0.11 R)
• M5: 1,148,612 km (0.109 R)
• M6: 1,621,342 km (0.047 R)
• M7: 2,174,255 km (0.075 R)
• M8: 2,561,714 km (0.119 R)
• M9: 3,790,810 km (0.087 R)
• M10: 3,971,823 km (0.092 R)
• M11: 4,583,978 km (0.109 R)
• M12: 5,110,114 km (0.12 R)
• M13: 6,157,149 km (0.106 R)
• M14: 6,365,689 km (0.107 R)
• M15: 9,859,846 km (0.08 R)
• M16: 10,030,687 km (0.048 R)
• M17: 10,436,845 km (0.039 R)
• M18: 10,673,958 km (0.103 R)
• M19: 13,245,695 km (0.118 R)
• M20: 13,523,498 km (0.098 R)
• M21: 13,734,581 km (0.081 R)
• M22: 17,251,178 km (0.047 R)
• M23: 17,834,011 km (0.074 R)
• M24: 18,776,478 km (0.099 R)
• M25: 22,978,981 km (0.119 R)
• M26: 26,540,906 km (0.027 R)
• M27: 35,932,212 km (0.077 R)
• M28: 39,257,772 km (0.098 R)
• M29: 39,975,543 km (0.119 R)
• M30: 44,466,920 km (0.1 R)
• M31: 45,089,995 km (0.095 R)
• M32: 48,951,714 km (0.045 R)
• M33: 54,435,673 km (0.104 R)
• M34: 68,655,250 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.3

Radius: 4.6

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.82 AU - 11.4 AU

Year: 20206 Days

Day: 22.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,502,472 km

• M1: 57,296 km (0.077 R)
• M2: 290,369 km (0.083 R)
• M3: 619,485 km (0.091 R)
• M4: 2,519,378 km (0.092 R)
• M5: 3,185,687 km (0.098 R)
• M6: 4,615,394 km (0.08 R)
• M7: 6,167,621 km (0.106 R)
• M8: 6,690,017 km (0.109 R)
• M9: 9,507,244 km (0.061 R)
• M10: 17,472,583 km (0.099 R)
• M11: 32,500,137 km (0.037 R)
• M12: 35,458,136 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 15,525 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit